Quote:
Originally Posted by JoeD
Yes, my friend's 76 station in Redwood City offers 100-octane unleaded at the pump, too. However, on practically any stock car, it will hurt performance rather than help.
It's only in the case where a car is dyno-tuned to run on a specific grade where there will be an improvement. Only then in the hands of a competent tuner will you reap the benefits of "more octane."
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I assume that US versions of the 370Z were optimized for 93-octane. And since here in Cali we usually have 91, would you say if we are able to mix 100 and 91 octane to achieve a 93 octane level, that the cars will perform more to their peak performance? It would be a relative increase in performance from filling the tanks with 91...in theory.